{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{5}{c}}
\hline\hline
                    &\multicolumn{1}{c}{(1)}               &\multicolumn{1}{c}{(2)}               &\multicolumn{1}{c}{(3)}               &\multicolumn{1}{c}{(4)}               &\multicolumn{1}{c}{(5)}               \\
\hline
Var indicating worker in one of main three treatments&                           &                           &                           &                           &                           \\
EqLow treatment indicator, low-wage worker with equal wage&       0.011               &       0.081               &                           &      -0.012               &      -0.012               \\
                    &     (0.089)               &     (0.126)               &                           &     (0.081)               &     (0.081)               \\
[1em]
UneqDiscr treatment indicator, low-wage worker with gender-disc unequal wage&      -0.149               &      -0.330\sym{$^{**}$}  &                           &      -0.058               &      -0.071               \\
                    &     (0.091)               &     (0.137)               &                           &     (0.084)               &     (0.210)               \\
[1em]
Motivated to work during task: 0 (not at all) to 6 (completely)&                           &                           &       0.287\sym{$^{****}$}&       0.285\sym{$^{****}$}&       0.284\sym{$^{****}$}\\
                    &                           &                           &     (0.023)               &     (0.023)               &     (0.027)               \\
[1em]
interaction term work morale x EqLow&                           &                           &                           &                           &       0.003               \\
                    &                           &                           &                           &                           &     (0.047)               \\
\hline
Controls            &         Yes               &         Yes               &         Yes               &         Yes               &         Yes               \\
Prob $>F$           &       0.000               &       0.000               &       0.000               &       0.000               &       0.000               \\
$ R^{2}$ /Pseudo $ R^{2}$&       0.028               &       0.057               &       0.090               &       0.090               &       0.090               \\
N                   &         886               &         886               &         886               &         886               &         886               \\
Wald one-sided p    &       0.044               &                           &                           &       0.294               &       0.389               \\
\hline\hline
\end{tabular}
}
